Ma nambala osangalatsa awa adakopa chidwi cha akonzi a C&EN

Kafukufuku wapamwamba wa chemistry wa 2022, ndi manambala

Ma nambala osangalatsa awa adakopa chidwi cha akonzi a C&EN

ndiCorinna Wu

77 mA h/g

Kutha kwa chaji yaElectrode ya batri ya lithiamu-ion yosindikizidwa ndi 3D, yomwe ndi yayitali kuwirikiza katatu kuposa ya electrode yopangidwa mwachizolowezi. Njira yosindikizira ya 3D imagwirizanitsa ma nanoflakes a graphite muzinthuzo kuti iwonjezere kuyenda kwa ma ayoni a lithiamu kulowa ndi kutuluka mu electrode (kafukufuku adanenedwa pamsonkhano wa ACS Spring 2022).

Chithunzi: Soyeon Park A anode ya batri yosindikizidwa mu 3D

 

Makuponi 38

Kuwonjezeka kwa ntchito yaenzyme yatsopano yopangidwazomwe zimawononga polyethylene terephthalate (PET) poyerekeza ndi ma PETase akale. Enzymeyi inagawa zitsanzo 51 zosiyanasiyana za PET mkati mwa nthawi kuyambira maola mpaka masabata (Chilengedwe2022, DOI:10.1038/s41586-022-04599-z).

 

Chithunzi: Hal Alper A PETase akuswa chidebe cha pulasitiki cha makeke.

 

24.4%

Kuchita bwino kwaselo la dzuwa la perovskitezomwe zinanenedwa mu 2022, zomwe zinakhazikitsa mbiri ya ma photovoltaic osinthasintha a thin-film. Kugwira ntchito bwino kwa tandem cell posintha kuwala kwa dzuwa kukhala magetsi kunaposa yemwe kale anali ndi mbiri ndi ma point 3 peresenti ndipo kumatha kupirira ma bend 10,000 popanda kutayika mu magwiridwe antchito (Mphamvu ya Nat.2022, DOI:10.1038/s41560-022-01045-2).

Nthawi 100

Mtengo umenechipangizo cha electrodialysisAmasunga mpweya wa carbon dioxide poyerekeza ndi makina omwe alipo panopa. Ofufuza anawerengera kuti makina akuluakulu omwe angathe kusunga matani 1,000 a CO2 pa ola limodzi angawononge ndalama zokwana $145 pa tani imodzi, zomwe zili pansi pa cholinga cha Dipatimenti ya Mphamvu cha $200 pa tani imodzi ya ukadaulo wochotsa mpweya wa carbon (Mphamvu Zachilengedwe. Sayansi.2022, DOI:10.1039/d1ee03018c).

 

Chithunzi: Meenesh Singh Chipangizo choyezera mpweya pogwiritsa ntchito electrodialysis chothandiza kunyamula mpweya woipa

 

 

Chithunzi: Sayansi Kakhungu kamalekanitsa mamolekyu a hydrocarbon ndi mafuta osapsa.

80-95%

Peresenti ya mamolekyulu a hydrocarbon ofanana ndi mafuta ololedwa kudzera munembanemba ya polimaNembanemba imatha kupirira kutentha kwambiri komanso nyengo zovuta ndipo ingapereke njira yochepetsera mphamvu yolekanitsira mafuta ndi mafuta osaphika pang'ono (Sayansi2022, DOI:10.1126/science.abm7686).

3.8 biliyoni

Zaka zingapo zapitazo zomwe mwina ntchito ya tectonic ya mbale ya Dziko Lapansi inayamba, malinga ndiKusanthula kwa isotopic kwa makhiristo a zirconzomwe zinapangidwa panthawiyo. Makristalo, omwe anasonkhanitsidwa kuchokera ku bedi la miyala yamchenga ku South Africa, amasonyeza zizindikiro zofanana ndi zomwe zinapangidwa m'malo ocheperako, pomwe makristalo akale sachita (AGU Adv.2022, DOI:10.1029/2021AV000520).

 

Chithunzi: Nadja Drabon Makristalo akale a zircon

 

Zaka 40

Nthawi yomwe idadutsa pakati pa kupanga kwa Cp* ligand yopangidwa ndi perfluorinated ndi kupangidwa kwazovuta zogwirizanitsa. Mayesero onse am'mbuyomu ogwirizanitsa ligand, [C5(CF3)5]−, yalephera chifukwa magulu ake a CF3 akutulutsa ma elekitironi mwamphamvu kwambiri (Angew. Chem. Int. Ed.2022, DOI:10.1002/anie.202211147).

1,080

Chiwerengero cha magawo a shuga m'dzikopolysaccharide yayitali kwambiri komanso yayikulu kwambirizopangidwa mpaka pano. Molekyulu yoswa mbiriyo inapangidwa ndi synthesizer yodziyimira yokha ya gawo la yankho (Nat. Synth.2022, DOI:10.1038/s44160-022-00171-9).

 

Chithunzi: Xin-Shan Ye Automated polysaccharide synthesizer

 

97.9%

Chiŵerengero cha kuwala kwa dzuwa chomwe chimawonetsedwa ndiutoto woyera kwambiriyokhala ndi ma hexagonal boron nitride nanoplatelets. Utoto wokhuthala wa 150 µm ukhoza kuziziritsa pamwamba ndi 5–6 °C padzuwa lachindunji ndipo ungathandize kuchepetsa mphamvu yofunikira kuti ndege ndi magalimoto zizizizira (Woyimira Cell. Phys. Sci.2022, DOI:10.1016/j.xcrp.2022.101058).

 

Ngongole:Woyimira Cell. Phys. Sci.

Ma nanoplatelet a hexagonal boron nitride

90%

Kuchepa kwa peresenti muMatenda a SARS-CoV-2mkati mwa mphindi 20 kuchokera pamene kachilomboka kakumana ndi mpweya wamkati. Ofufuza adapeza kuti moyo wa kachilombo ka COVID-19 umakhudzidwa kwambiri ndi kusintha kwa chinyezi (Proc. Natl. Acad. Sci. USA2022, DOI:10.1073/pnas.2200109119).

 

Chithunzi: Mwachilolezo cha Henry P. Oswin Madontho awiri a aerosol pa chinyezi chosiyana